# SDR HEEA076247

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2001
- Submitted: October 22, 2001
- Operation: General aviation
- Aircraft: [N467PH](https://openairdocs.org/aircraft/N467PH), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53142
- Aircraft time: 3,316 hours
- Engine: Allsn 250B*
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Liner
- Part number: 23064570
- Part serial: 617
- Condition: Chafed
- Location: Compressor
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA076247

## Discrepancy

RUMBLING NOISE AROUND 30 PERCENT N1 DURING START. SENT TO STANDARD AERO FOR EXCHANGE.

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